ISEE Lower Level Math : How to subtract

Study concepts, example questions & explanations for ISEE Lower Level Math

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Example Questions

Example Question #172 : Operations

Cara had  prior to going to the store. After Cara went shopping she only had  left over. How much money did Cara spend at the store?  

Possible Answers:

Correct answer:

Explanation:

To determine how much money Cara spent at the store, find the difference between the amount of money she started with and the amount of money she had after shopping. 

Thus, the solution is: 

Example Question #151 : Basic Arithmetic

If Betty has  in her wallet and buys a sandwich that costs , how much money will she have left in her wallet, in dollars?

Possible Answers:

Correct answer:

Explanation:

If Betty has  in her wallet and buys a sandwich that costs , the best way to determine how much money is left in her wallet is to subtract  from

An easy way to do this is to first subtract  and . This results in: 

Next,  should be subtracted from . This results in: 

Therefore, Betty will have  left in her wallet. 

Example Question #31 : How To Subtract

Possible Answers:

Correct answer:

Explanation:

First you subtract the values in the ones place, 

.  

Then you subtract the tens values, 

.  

Put those two together and you get your answer of .

Example Question #32 : How To Subtract

Lisa is shopping for a jacket that costs $50. At one store, the jacket is $50 but is 10 percent off. At another store, the jacket is 5 percent off. At another store, the jacket is $10 off.  Which of the following has the best deal for the jacket?

Possible Answers:

The store with $10 off

The store with 10 percent off

The store with 5 percent off

The store with 10 percent off or $10 off

Correct answer:

The store with $10 off

Explanation:

10 percent off means a discount of $5 and a final price of $45. 

$10 off means a final price of $40. 

5 percent off means a discount of $2.50 and a final price of $47.50.

Thus, $10 off is the best deal.  

 

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